Pattern of growth regulating substances in the leaves of vernalized sugar-beet during flowering period S. KhalilF. Reda Original Papers Pages: 81 - 85
Effect of indoleacetic acid on the metabolic activity oftaraxacum root segments M. I. Khan Original Papers Pages: 86 - 90
The effect of growth regulators on sodium azide induced genetic damage in barley C. SinghJ. OlejniczakH. Patyna Original Papers Pages: 91 - 96
Effect of decapitation on morphogenesis of stem and spike in various wheat species J. Vagera Original Papers Pages: 97 - 106
The role of some exogenous and endogenous factors in the isolation of protoplasts from potato cell cultures and their recovery in cell colonies Z. OpatrnýUrsula SchumannH. Koblitz Original Papers Pages: 107 - 116
Adaptability ofMentha piperita l. to irradiance. Growth, specific leaf area and levels of chlorophyll, protein and mineral nutrients as affected by shading A. Virzo De SantoA. Alfani Original Papers Pages: 117 - 123
Histoenzymological compartmentation of β-glucuronidase in the germinating pollen grains ofPortulaca grandiflora P. P. Sood Original Papers Pages: 124 - 127
The influence of light on the cytokinin content ofAmaranthus seedlings K. H. KöhlerMarianne DörflerH. Göring Original Papers Pages: 128 - 134
Dormance stabilisée de semences de betterave sucrière: Désoperculation mécanique des fruits M. CoumansE. CeulemansTh. Gaspar Original Papers Pages: 135 - 142
Nucleases in chloroplast of barley Jiřina ŠvachulováJ. VelemínskýJ. Šatava Original Papers Pages: 143 - 151
Induction of sieve-tube elements in the ray system ofMorus alba L H. K. SharmaD. D. SharmaG. S. Paliwal Brief Communication Pages: 152 - 153
Differences in stomatal density, dimension and conductances to water vapour diffusion in sevenHevea species Z. Samsuddin Brief Communication Pages: 154 - 156